The correct option is C All the above
Archaeopteryx exhibits both reptilian and bird-like characteristics. Similar to reptilians, Archaeopteryx had a complete set of teeth. Unlike all living birds, Archaeopteryxhad a flat sternum, a long, bony tail, gastralia, and three claws on the wing, believed to be used in grasping its prey or maybe trees. So, the correct answers are " All of the above".